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Calliostoma irisans is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Contents
Description
The height of the shell attains 11 mm. The whitish shell is strongly iridescent, with mainly a purple hue. The 5¾ whorls are barely concave, with the exception of the body whorl. Only the first and the second whorl are granulated.
Distribution
This marine species occurs off Argentina, the Falkland Islands and the Strait of Magellan
References
Calliostoma irisans Wikipedia(Text) CC BY-SA